28181409

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{1409}}^1$

素因数の和:1584

約数の個数: 16

約数和(自身を含む): 38577600

約数和(自身を除く): 10396191

約数列:

[1, 3, 59, 113, 177, 339, 1409, 4227, 6667, 20001, 83131, 159217, 249393, 477651, 9393803, 28181409]

約数ペア:

[(1, 28181409), (3, 9393803), (59, 477651), (113, 249393), (177, 159217), (339, 83131), (1409, 20001), (4227, 6667)]